<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            border: 1px solid red;
            width: 100px;
            height: 100px;
        }
        span{
            border: 1px solid blue;
            /*行内元素不能修改宽高*/
            width: 100px;
            height: 100px;
            /*如果需要将行内元素的显示尺寸修改掉 必须修改display的值为block或inline-block */
            display: inline-block;
        }
        img{
            width: 100px;
            height: 100px;
            display: none;
        }
        a{
            background-color: #0aa1ed;
            width: 132px;
            height: 40px;
            display: block;/*超链接是行内元素,要想修改宽高必须改成块级或行内块*/
            text-align: center;
            line-height: 40px;
            text-decoration: none;
            color: white;
            font-size: 20px;
            border-radius: 3px;/*设置圆角,值越大越圆*/
        }
    </style>
</head>
<body>
<a href="">查看详情</a>
    <img src="../b.jpg">
    <img src="../b.jpg">
    <img src="../b.jpg">
  <div>div1</div>
  <div>div2</div>
  <div>div3</div>
  <span>span1</span>
  <span>span2</span>
  <span>span3</span>

</body>
</html>